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Indonesia's Mount Semeru, the highest peak on the island of Java, has exploded, blanketing multiple communities with volcanic ash, prompting evacuations and causing officials to elevate the alert to the highest level.
The mountain in the province of East Java released blistering plumes of hot ash and a mixture of rock, lava and gas that travelled up to 7km down its sides multiple times from noon to evening, while a dense plume of hot clouds rose 1.2 miles into the air, according to Indonesia’s Geology Agency.
The outbursts that occurred throughout the day compelled officials to raise the volcano’s alert level twice, from the level three to the top level, the agency reported. No deaths or injuries have been announced.
More than 300 inhabitants in the three villages most at risk in the district of Lumajang were evacuated to official safe havens, as mentioned by a spokesperson for the national disaster mitigation agency.
He stated that increased activity of the volcano on Wednesday afternoon led officials to widen the danger zone to 8km from the summit. Residents were urged to keep away from an zone along the Kobokan River, which is the route of the molten rock stream, as searing gas moved down Semeru’s slopes.
Footage on social media showed a dense cloud of ash sweeping through a wooded ravine to a river beneath a overpass. Residents, some with faces smeared with volcanic dust and rain, escaped to makeshift refuges or left for other safe areas.
Regional news outlets reported that authorities were struggling to save about 178 individuals stranded on the 12,060-foot mountain at the Ranu Kumbolo monitoring post. The group comprised 137 hikers, 15 porters, seven escorts and six tourism officials, according to an spokesperson with the national park.
“They are currently safe at Ranu Kumbolo monitoring post,” a spokesperson stated in a video statement. He noted the post was situated 2.8 miles from the summit on the north side of the volcano, which is not in the path of the hot cloud flow that was seen moving to the south-southeast. Inclement conditions and precipitation forced the group to spend the night there, he added.
Semeru, also known as Mahameru, has erupted numerous times in the last two centuries. However, as is the situation with many of the 129 live volcanoes in the archipelago, tens of thousands of people continue to reside on its fertile slopes.
The mountain's previous significant explosion was in late 2021, when 51 people were killed and hundreds more were injured and villages were submerged in layers of mud. The eruption led to the relocation of more than 10,000 people from their homes.
The country, an island chain of more than 280 million people, is located along the Pacific seismic belt, a curved series of tectonic boundaries, and is prone to earthquakes and volcanism.
Elara is a seasoned journalist and digital content creator with a passion for uncovering stories that matter.
Rita Davis
Rita Davis
Rita Davis